<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script>
        /* 
        
        */
       console.log(10/2)
       console.log(10/4)
       console.log(10/0)
       console.log(10%0)
       console.log(1==1)
       console.log(1=='1')
       console.log(1== true)
       console.log(1=== true)
       
    </script>
</head>
<body>
    

</body>
</html>